Question

4/7x-4=7 решите паже прошу

Answer 1

4/7х=7+4
х=11:4/7
х=11*7/4
х=77/4
х=19 1/4

Answer 2

7+4=11
11*7:4=19,25
__________
19.25*4:7=11
11-4=7